Finishes

General
Specifications for the surface finish of cast letters are identical for waterjet-cut letters. The letter returns (edges) for cast letters are ground and sandblasted. The edges for waterjet-cut letters have a fine matte finish.

Clear Coatings
Protective clear coatings are used on all metals except for stainless steel and Alloy 2024 polished aluminum. Coatings are available in gloss or semi-gloss.

Oxidized
Faces of waterjet-cut letters are brushed to a satin finish. The letters are then dipped in an aqueous sulfide solution to achieve a golden brown statuary finish. Meets NAAMM finish designation M42-C55-060.

Variations in color from piece to piece can occur since this process depends largely upon chemical reactions. Color will vary from a rich golden hue to almost black. Specify Light, Medium or Dark Oxidized.

Color Anodic
Faces of letters are prepared the same as for satin aluminum. The integral color anodic is achieved using an acid electrolytic process. Available colors are Black, Light Bronze, Medium Bronze and Dark Bronze. Meets NAAMM finish designation
AA-M42-M33-C11-A34.

Duranodic 311 Light Bronze

Duranodic 312 Medium Bronze

Duranodic 313 Dark Bronze

Duranodic 335 Black

Satin Anodized
Faces of letters are prepared the same as for satin aluminum. The entire letter is then clear anodized by immersing the letter in an acid solution and passing an electric current through the solution. Meets NAAMM finish designation AA-M42-M33-C11-A31.

Polyurethane Painted
Faces of waterjet-cut letters are sanded to a smoother finish than for satin aluminum. The entire letter is then sprayed with a two-part acrylic polyurethane paint and cured.